In this post, you’ll learn about the COBOL runtime Error Code 221 and the reason why you are receiving it
COBOL Error Code :
221
Reason for this Error in COBOL
SORT/MERGE error: see status keys (Fatal) -You have tried a SORT/MERGE operation which has been unsuccessful for some reason. You might have had too many files open when you tried a SORT/MERGE operation, or the file which you are trying to access might be locked. -The action you should take depends on the situation in which it occurs. Check the status of each file (USING/ GIVING) defined in the SORT statement.